<html>
<body>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>
<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.font = "30px Arial";
var txt = "Hello World"
ctx.fillText("width:" + ctx.measureText(txt).width, 10, 50);
ctx.fillText(txt, 10, 100);
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryhtml5_canvas_measuretext by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 18:16:50 GMT -->
</html>